TYPES AND RACES 



III 



summer flowering groups, and climbing forms 

 of many bush types are in cultivation, so 

 that an exact classification long ago became 

 difficult, and the condition is more trying as 

 time sees new arrivals. 



A KEY TO THE GARDEN GROUPS OF ROSES 



CLASS I. — SUMMER FLOWERING ROSES, BLOOMING ONCE ONLY 



A. Large flowered (double). 



B. Growth branching or pendulous; leaf wrinkled . . .Provence, 

 Moss, Pompon, Sulphurea. 

 BB. Growth firm and robust; leaf downy. . . .Damask and French, 

 Hybrid French, Hybrid Provence, Hybrid Bourbon, Hybrid 

 China. 



BBB. Growth free; leaf whitish above, spineless Alba. 



AA. Small flowered (single and double). 



B. Growth climbing; flowers produced singly Ayrshire. 



BB. Growth climbing; flowers in clusters. . . .Evergreen, Semper- 

 virens, Wichuraiana, Cherokee, Banksian. 

 BBB. Growth short jointed, generally, except in Alpine. . . .Briers, 

 Austrian, Scotch, Sweet, Penzance, Alpine, Prairie. 

 BBBBB. Growth free; foliage wrinkled Pompon. 



CLASS II — SUMMER AND AUTUMN FLOWERING ROSES, BLOOMING MORE 

 OR LESS CONTINUOUSLY 



A. Large flowered. 



B. Foliage very rough Hybrid Perpetual, Hybrid Tea, 



Perpetual, Moss. 



BB. Foliage rough Bourbon, Bourbon Perpetual. 



BBB. Foliage smooth China, Tea, Lawrenceana (Fairy). 



AA. Smaller flowered. 



B. Foliage deciduous. 

 C. Habit climbing. 



D. Cluster flowered Musk, Noisette, Polyantha, 



Wichuraiana hybrid. 



DD. Flowers solitary Ayrshire Perpetual. 



CC. Habit dwarf, bushy Perpetual Briers, Rugosa, 



Lucida, Blanda, Microphylla, Berberidifolia, Scotch. 



BB. Foliage more or less persistent .Evergreen, Macartney, 



Wichuraiana. 



